Multifunction Electronic Modules: Overview

The BCM  controls the following:

• Battery saver function
• Brake shift interlock
• Delayed accessory function
• Dimmable backlighting
• Exterior lighting
• Horn
• Ignition state messaging
• Interior lighting
• Keyless entry keypad (without Intelligent Access (IA))
• Liftgate release (without Intelligent Access (IA))
• PATS  (vehicles without Intelligent Access (IA))
• Perimeter alarm
• Power door locks (vehicles without Intelligent Access (IA))
• Post crash alert function
• RKE  system (without Intelligent Access (IA))
• Remote start
• TPMS 

The RFA  (With Intelligent Access only) controls the following:

• Intelligent Access (IA) function
• Key validation (part of the PATS  )
• Keyless entry keypad
• Liftgate release
• PATS 
• Power door locks